S
M
T
W
T
F
S
26
62°
39°
27
72°
35°
28
62°
36°
29
65°
48°
30
65°
47°
1
66°
38°
2
62°
43°
3
58°
44°
4
73°
56°
5
83°
62°
6
70°
51°
7
56°
42°
8
59°
42°
9
60°
44°
10
64°
47°
11
63°
49°
12
65°
49°
13
64°
50°
14
64°
52°
15
69°
51°
16
68°
52°
17
76°
56°
18
77°
57°
19
76°
57°
20
76°
58°
21
75°
57°
22
74°
51°
23
70°
49°
24
68°
51°
25
69°
50°
26
70°
52°
27
70°
51°
28
71°
52°
29
70°
51°
30
70°
52°
31
71°
60°
1
76°
59°
2
72°
55°
3
73°
59°
4
77°
61°
5
76°
58°
6
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roslyn
Roslyn's May 2026 forecast shows daily high temperatures ranging from 56° to 83°, with overnight lows between 42° and 62°. The average high for May is 70° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Roslyn. See also: June | July | August.
